Subject: 3.5m Night Log 20231027 From: ajt@apo.nmsu.edu Date: Sat, 28 Oct 2023 13:39:20 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Friday, October 27, 2023 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- UV01 S.Majewski S.Majewski,J.Davidson+class UV01 S.Majewski S.Majewski,J.Davidson+class ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- UV01 DSSI 18:35 02:34 UV01 ECHELLE 02:40 07:00 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- UV01/O 18:26 01:10 0 0 0 0 0.0 6.7 0 0 UV01/O 01:10 07:09 0 0 0 0 0.0 5.9 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend, R.McMillan A lovely clear night with good seeing. NICFPS was unhappy during checkout but quickly fixed with minimal intervention. ------- FAILURE LOG ------- FAILURE MODE TIME PROG INSTR TI/SHU START FINISH DESCRIPTION ---------------------------------------------------------------------- ---------------- FOCUS LOG --------------- Time Instrument Focus Az El Temp Strc Prim Sec Air filt FWHM -------------------------------------------------------------------------- 18:05 dssi 424( 1627) -24 61 10.4 10.7 11.1 10.5 10.3 692 0.90 02:54 ecamera 388( 147) 55 42 10.0 9.5 10.0 9.5 9.8 ND1 1.03 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 54 32 16 183 (S) 807 clear none 17:00 55 33 16 218 (SW) 814 clear none 18:00 52 31 17 198 (SSW) 744 clear none 19:00 51 30 15 192 (SSW) 796 clear none 20:00 50 32 18 189 (S) 862 clear none 21:00 50 33 18 185 (S) 864 clear none 22:00 50 32 22 201 (SSW) 820 clear none 23:00 50 30 24 200 (SSW) 732 clear none 00:00 51 24 13 185 (S) 650 clear none 01:00 50 35 17 180 (S) 1417 clear none 02:00 50 30 17 181 (S) 1239 clear none 03:00 50 22 16 189 (S) 694 clear none 04:00 50 25 19 195 (SSW) 746 clear none 05:00 48 32 17 181 (S) 2220 clear none 06:00 49 31 18 191 (S) 1238 clear none Note: the wind was coming from the azimuth listed. The convention used is north=0 degrees, east=90 degrees. The dust count is particles > 1u per 0.1 cubic feet. ---------- TELESCOPE SOFTWARE ---------- Current TCC version: 1.4.2 Current HUB version: v20171231_01 Current TUI version: 3.1.3